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Swift Trigger: 777215

Presumed name: GRB 171007A

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Related pages: Burst Analyser | Enhanced position | Light curve | Spectrum | Image | XRT Catalogue entry | Download obs data | GCN Notices

BAT	09h 02m 10.56s, +42° 50′ 56.4″
position:	(135.544, 42.849 ± 180″)
XRT	09h 02m 24.14s, +42° 49′ 10.2″
position:	(135.6006, 42.8195 ± 2.3″)
UVOT	No position available.
Galactic NHI:	1.93×100 cm-2
Galactic E(B-V):	0.021 mag

Best RA:	09h 02m 24.14s	= 135.6006 d
Best Dec:	+42° 49′ 10.2″	= 42.8195 d
Gal Lat:	41.53
Gal Long:	178.43
Sun angle:	70.98°, 3.8 hr West

¹Sper #3 auto processing.

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GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

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Sun angle for this burst.

UVOT data

Blink images with DSS (link via GSFC)

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XRT SPER data

SPER results page for this trigger.

There are 11 SPER messages, and 1 objects have been found

• • Object 1 - enhanced position.
  • RA (J2000) : 09 02 24.19 (42.8193)
  • Dec (J2000): +42 49 09.5 ( 42.81934)
  • Error (90%): 2.3
  • Counts in Source: 70

See the SPER page for details of how this position was produced.

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Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Date reported	Source	Misc	Query
0.0′′	135.60060	42.81950		GCN #21976	GRB 171007A: Swift detection of a burst
0.9′′	135.60079	42.81931		GCN #21978	GRB 171007A: Swift-XRT refined Analysis
1.1′′	135.60048	42.81920		GCN #21979	GRB 171007A: Enhanced Swift-XRT position

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Catalogue Searches. Searched 3.33′ around XRT position

Click on the distance to view the full details (not available for sources from the SSS catalogue). Click on the column headers to sort the table on that column (click again to invert sort order).

SIMBAD

	RA*	Dec*	SIMBAD name		Query
94.7	135.6131	42.8442	US 2207	B=19.1, g=18.974, i=19.114, r=19.03, u=19.388, z=19.314
99.8	135.5783	42.8419	2MASS J09021880+4250307	B=16.2, H=14.469, J=14.648, K=14.257, R=15.400

* RA/Dec in equinox J2000

X-ray sources

	RA*	Dec*		Source table2	Observatory	Query

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

¹Energy band for count-rate is mission specific.

Galaxies

	RA*	Dec*	Redshift		Catalogue	Query
20.2	135.5937	42.8172		R=23.0, g=23.7, i=21.6, u=25.1, z=21.2	SDSS
25.4	135.5912	42.8208		R=21.0, g=21.7, i=20.4, u=23.2, z=20.7	SDSS
25.4	135.5913	42.8208		Mag=22.1	NED
39.1	135.6124	42.8130		R=22.2, g=21.9, i=21.5, u=24.7, z=25.1	SDSS
53.1	135.6179	42.8270		R=22.4, g=23.3, i=21.3, u=24.1, z=21.3	SDSS
55.3	135.6197	42.8132		R=21.4, g=22.4, i=21.2, u=22.0, z=21.2	SDSS
55.3	135.6196	42.8133		Mag=22.7	NED
57.1	135.5790	42.8190		I=15.2, R1=20.1	USNO-B1
57.5	135.6090	42.8048		R=23.6, g=24.9, i=22.0, u=23.7, z=23.0	SDSS
58.7	135.6044	42.8034		R=22.7, g=23.1, i=21.6, u=23.5, z=21.6	SDSS

Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.

There are 291 galaxies within the position error. The full list is here.

* RA/Dec in equinox J2000

Magnitudes depend on the catalogue. e.g. For Sloan, R is the Sloan r mag, not the Johnson R from APM, for example

Stars

	RA*	Dec*		Catalogue	Query
59.9	135.6151	42.8323	I=22.0, R=23.5, g=23.9, u=24.9, z=21.8	SDSS
60.5	135.5827	42.8299	I=21.4, R=21.7, g=23.2, u=23.4, z=21.2	SDSS
61.4	135.6229	42.8244	B2=21.1, I=18.6, R2=19.5	USNO-B1
65.5	135.5897	42.8032	B1=17.4, B2=17.7, I=15.5, R1=15.8, R2=15.8	USNO-B1
65.6	135.5897	42.8031	h=14.0, j=14.6, k=13.9	2MASS
65.8	135.5896	42.8031	I=15.8, R=16.1, g=17.0, u=18.9, z=15.6	SDSS
67.6	135.5848	42.8047	B2=21.2, R1=20.1, R2=20.4	USNO-B1
68.7	135.6204	42.8071	h=16.1, j=16.8, k=15.5	2MASS
69.0	135.6204	42.8070	I=19.2, R=21.1, g=22.8, u=24.3, z=18.1	SDSS
69.1	135.6205	42.8070	I=18.6, R1=19.9, R2=19.9	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 134 stars within the position error. The full list is here.

* RA/Dec in equinox J2000

Magnitudes depend on the catalogue. e.g. For Sloan, R is the Sloan r mag, not the Johnson R from APM, for example.